Home / 677,010.37-1,009,462.90-658,409.93

Finding the Fourth Proportional to 677,010.37, 1,009,462.90 and 658,409.93

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Solution

The fourth proportional to 677,010.37, 1,009,462.90 and 658,409.93 is: 981,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,010.37 : 1,009,462.90 = 658,409.93 : x
  2. Step 2: Convert to fraction form
    677,010.37/1,009,462.90 = 658,409.93/x
  3. Step 3: Cross multiply
    677,010.37x = 1,009,462.90 × 658,409.93
  4. Step 4: Simplify right side
    677,010.37x = 664,640,398,204.23
  5. Step 5: Solve for x
    x = 664,640,398,204.23/677,010.37
  6. Step 6: Final answer
    x = 981,728.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.